./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:13,320 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:13,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:34:13,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:34:13,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:34:13,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:13,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:13,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:13,465 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:13,465 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:13,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:13,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:13,467 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:13,467 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:13,472 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:13,472 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:13,473 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:13,473 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:13,473 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:13,473 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:34:13,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:34:13,473 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-11-13 20:34:13,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:13,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:13,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:13,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:13,792 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:13,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c Unable to find full path for "g++" [2024-11-13 20:34:15,809 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:16,120 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:16,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-13 20:34:16,128 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/85226755b/779b38562a134b2baa3448c189b0e0fd/FLAGde1ff2dad [2024-11-13 20:34:16,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/85226755b/779b38562a134b2baa3448c189b0e0fd [2024-11-13 20:34:16,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:16,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:16,146 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:16,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:16,151 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:16,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,153 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3304f2d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16, skipping insertion in model container [2024-11-13 20:34:16,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,167 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:16,318 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-13 20:34:16,338 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:16,347 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:16,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-13 20:34:16,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:16,381 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:16,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16 WrapperNode [2024-11-13 20:34:16,382 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:16,383 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:16,383 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:16,383 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:16,390 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,414 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 20:34:16,414 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:16,415 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:16,415 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:16,415 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:16,422 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,424 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,425 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:16,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:16,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:16,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:16,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:16,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:16,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:16,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:16,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:34:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:34:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:34:16,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:16,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:16,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:34:16,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:34:16,586 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:16,589 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:16,806 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:16,806 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:16,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:16,852 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:34:16,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:16 BoogieIcfgContainer [2024-11-13 20:34:16,856 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:16,857 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:16,857 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:16,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:16,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:16" (1/1) ... [2024-11-13 20:34:16,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:16,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 20:34:16,941 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 20:34:16,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:34:16,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:16,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:17,159 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:34:17,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 20:34:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 20:34:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:17,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:17,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:17,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:34:17,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 20:34:17,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:17,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 37 states and 61 transitions. [2024-11-13 20:34:17,856 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 61 transitions. [2024-11-13 20:34:17,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:17,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:17,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:17,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:34:17,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:18,068 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:34:18,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:18,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 40 states and 68 transitions. [2024-11-13 20:34:18,410 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 68 transitions. [2024-11-13 20:34:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:18,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:18,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:18,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:34:19,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 72 transitions. [2024-11-13 20:34:19,269 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 72 transitions. [2024-11-13 20:34:19,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:19,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:19,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:19,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:34:20,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:20,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 44 states and 76 transitions. [2024-11-13 20:34:20,003 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 76 transitions. [2024-11-13 20:34:20,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 20:34:20,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:20,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:34:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:30,102 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:34:30,106 INFO L158 Benchmark]: Toolchain (without parser) took 13960.57ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 38.9MB in the end (delta: 54.5MB). Peak memory consumption was 55.0MB. Max. memory is 16.1GB. [2024-11-13 20:34:30,106 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:30,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.28ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:30,107 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.33ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:30,107 INFO L158 Benchmark]: Boogie Preprocessor took 20.28ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 815.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:30,108 INFO L158 Benchmark]: RCFGBuilder took 420.91ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:30,108 INFO L158 Benchmark]: CodeCheck took 13247.31ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 38.9MB in the end (delta: 28.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2024-11-13 20:34:30,112 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.28ms. Allocated memory is still 117.4MB. Free memory was 93.2MB in the beginning and 81.8MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.33ms. Allocated memory is still 117.4MB. Free memory was 81.8MB in the beginning and 80.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.28ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 79.7MB in the end (delta: 815.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 420.91ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 66.8MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 13247.31ms. Allocated memory is still 117.4MB. Free memory was 66.8MB in the beginning and 38.9MB in the end (delta: 28.0MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:34:30,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:34:32,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:34:32,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:34:33,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:34:33,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:34:33,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:34:33,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:34:33,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:34:33,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:34:33,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:34:33,032 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:34:33,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:34:33,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:33,034 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:34:33,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:34:33,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:33,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:34:33,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:34:33,036 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:34:33,036 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:34:33,036 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:33,036 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:34:33,037 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2024-11-13 20:34:33,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:34:33,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:34:33,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:34:33,376 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:34:33,376 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:34:33,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c Unable to find full path for "g++" [2024-11-13 20:34:35,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:34:35,647 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:34:35,649 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2024-11-13 20:34:35,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/c3668e786/99b7f324db134db0941a0f79437e0e6a/FLAGf86d1c75a [2024-11-13 20:34:35,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/data/c3668e786/99b7f324db134db0941a0f79437e0e6a [2024-11-13 20:34:35,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:34:35,963 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:34:35,964 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:35,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:34:35,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:34:35,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:35" (1/1) ... [2024-11-13 20:34:35,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50aa07b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:35, skipping insertion in model container [2024-11-13 20:34:35,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:34:35" (1/1) ... [2024-11-13 20:34:35,984 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:34:36,138 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-13 20:34:36,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:36,189 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:34:36,206 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c[552,565] [2024-11-13 20:34:36,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:34:36,238 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:34:36,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36 WrapperNode [2024-11-13 20:34:36,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:34:36,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:36,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:34:36,241 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:34:36,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,280 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 75 [2024-11-13 20:34:36,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:34:36,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:34:36,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:34:36,283 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:34:36,290 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,295 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,316 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,318 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:34:36,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:34:36,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:34:36,322 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:34:36,323 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:34:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:34:36,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:34:36,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:34:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:34:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:34:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:34:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:34:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:34:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:34:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 20:34:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 20:34:36,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:34:36,478 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:34:36,684 INFO L? ?]: Removed 5 outVars from TransFormulas that were not future-live. [2024-11-13 20:34:36,685 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:34:36,722 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:34:36,722 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 20:34:36,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:36 BoogieIcfgContainer [2024-11-13 20:34:36,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:34:36,724 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:34:36,724 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:34:36,735 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:34:36,736 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:34:36" (1/1) ... [2024-11-13 20:34:36,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:34:36,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:36,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-11-13 20:34:36,797 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-11-13 20:34:36,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:34:36,804 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:36,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:36,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:36,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:36,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:34:36,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:36,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:37,034 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:34:37,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:34:37,090 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 20:34:37,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:34:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:34:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 20:34:37,121 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 20:34:37,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:34:37,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:34:37,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:34:37,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:34:37,124 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:34:37,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:34:37,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:34:37,257 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:34:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 20:34:47,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:34:47,507 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 20:34:47,511 INFO L158 Benchmark]: Toolchain (without parser) took 11547.72ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 53.2MB in the end (delta: 7.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,512 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.44ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.40ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,513 INFO L158 Benchmark]: Boogie Preprocessor took 39.01ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,513 INFO L158 Benchmark]: RCFGBuilder took 401.14ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 31.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:34:47,513 INFO L158 Benchmark]: CodeCheck took 10786.05ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 53.2MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:34:47,516 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 83.9MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.44ms. Allocated memory is still 83.9MB. Free memory was 60.5MB in the beginning and 48.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.40ms. Allocated memory is still 83.9MB. Free memory was 48.8MB in the beginning and 47.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.01ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 46.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 401.14ms. Allocated memory is still 83.9MB. Free memory was 46.4MB in the beginning and 31.9MB in the end (delta: 14.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 10786.05ms. Allocated memory is still 83.9MB. Free memory was 31.9MB in the beginning and 53.2MB in the end (delta: -21.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 20:34:47,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07f7749d-0a52-41cb-a111-81a8cfc4eff0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown